/* CTOValley Stats — hand-written, no build step. */

:root {
  --bg: #f5f6fa;
  --surface: #ffffff;
  --border: #e5e7eb;
  --text: #1f2430;
  --text-muted: #6b7280;
  --primary: #4f46e5;
  --primary-dark: #4338ca;
  --primary-soft: #eef2ff;
  --success: #16a34a;
  --danger: #dc2626;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 1px 3px rgba(16, 24, 40, 0.06);
  --sidebar-w: 220px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }

/* ---------- Auth (guest) layout ---------- */

.auth-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: center;
  margin-bottom: 24px;
  font-weight: 700;
  font-size: 18px;
}

.auth-brand .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
}

/* ---------- App shell (authenticated) ---------- */

.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: #171a2b;
  color: #cbd0e0;
  display: flex;
  flex-direction: column;
  padding: 20px 0;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  padding: 0 20px 20px;
  margin-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-brand .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
}

.sidebar-nav { display: flex; flex-direction: column; gap: 2px; padding: 8px; }

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  color: #cbd0e0;
  font-size: 14px;
  font-weight: 500;
}

.sidebar-nav a:hover { background: rgba(255,255,255,0.06); color: #fff; }

.sidebar-nav a.active { background: var(--primary); color: #fff; }

.sidebar-footer {
  margin-top: auto;
  padding: 16px 20px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.sidebar-user {
  font-size: 13px;
  color: #9aa0b4;
  margin-bottom: 10px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.logout-btn {
  width: 100%;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.15);
  color: #cbd0e0;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
}

.logout-btn:hover { background: rgba(255,255,255,0.08); color: #fff; }

.main {
  flex: 1;
  min-width: 0;
  padding: 28px 32px 60px;
}

.page-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}

.page-title { font-size: 22px; font-weight: 700; margin: 0 0 4px; }
.page-subtitle { color: var(--text-muted); font-size: 14px; margin: 0; }

/* ---------- Filter bar ---------- */

.filter-bar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 12px;
}

.filter-tabs {
  display: flex;
  gap: 4px;
  background: var(--bg);
  padding: 4px;
  border-radius: 8px;
}

.filter-tabs a {
  padding: 7px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}

.filter-tabs a.active { background: var(--surface); color: var(--primary); box-shadow: var(--shadow); }

.field { display: flex; flex-direction: column; gap: 4px; }
.field label { font-size: 12px; color: var(--text-muted); font-weight: 600; }

.input, select.input {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  background: var(--surface);
  color: var(--text);
}

.input:focus, select.input:focus { outline: none; border-color: var(--primary); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }

.btn-secondary { background: var(--surface); border-color: var(--border); color: var(--text); }
.btn-secondary:hover { background: var(--bg); }

/* ---------- Cards / stats ---------- */

.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}

.card-title { font-size: 15px; font-weight: 700; margin: 0 0 4px; }
.card-subtitle { font-size: 13px; color: var(--text-muted); margin: 0 0 16px; }

.rank-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }

.rank-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--bg);
}

.rank-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.rank-name { flex: 1; min-width: 0; font-weight: 600; font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rank-meta { font-size: 12px; color: var(--text-muted); }
.rank-value { font-weight: 700; font-size: 14px; }

.empty-state { color: var(--text-muted); font-size: 14px; padding: 24px 0; text-align: center; }

.chart-wrap { position: relative; height: 280px; }

/* ---------- Tables ---------- */

.table-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }

.table-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  border-bottom: 1px solid var(--border);
}

table.data-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }

.data-table th {
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  padding: 10px 16px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: #fafbff; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 11.5px;
  font-weight: 700;
}

.text-muted { color: var(--text-muted); }
.text-mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; }

.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  font-size: 13px;
  color: var(--text-muted);
}

.pagination-links { display: flex; gap: 6px; }

.pagination-links a, .pagination-links span {
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  font-size: 13px;
}

.pagination-links a:hover { background: var(--bg); }
.pagination-links .disabled { color: var(--text-muted); opacity: 0.5; }

.alert {
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
}

.alert-error { background: #fef2f2; color: var(--danger); border: 1px solid #fecaca; }
.alert-success { background: #f0fdf4; color: var(--success); border: 1px solid #bbf7d0; }

.field-error { color: var(--danger); font-size: 12.5px; margin-top: 4px; }

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .app-shell { flex-direction: column; }
  .sidebar { width: 100%; flex-direction: row; align-items: center; padding: 12px 16px; }
  .sidebar-brand { border: none; padding: 0; margin: 0 16px 0 0; }
  .sidebar-nav { flex-direction: row; padding: 0; }
  .sidebar-footer { margin-left: auto; margin-top: 0; padding: 0; border: none; display: flex; align-items: center; }
  .sidebar-user { display: none; }
  .main { padding: 20px 16px 40px; }
}